Home / 785,200.62-1,175,475.86-484,715.02

Finding the Fourth Proportional to 785,200.62, 1,175,475.86 and 484,715.02

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Solution

The fourth proportional to 785,200.62, 1,175,475.86 and 484,715.02 is: 725,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,200.62 : 1,175,475.86 = 484,715.02 : x
  2. Step 2: Convert to fraction form
    785,200.62/1,175,475.86 = 484,715.02/x
  3. Step 3: Cross multiply
    785,200.62x = 1,175,475.86 × 484,715.02
  4. Step 4: Simplify right side
    785,200.62x = 569,770,804,989.42
  5. Step 5: Solve for x
    x = 569,770,804,989.42/785,200.62
  6. Step 6: Final answer
    x = 725,637.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.